Jews that traveled the Silk Road might have even made it to Japan.
Evidence of Jews making it to Japan.
The “Omikoshi” in Japanese festivals
http://www.kt70.com/~jamesjpn/articles/japanese-festivals.html
Israelites Came To Ancient Japan
http://www.freerepublic.com/focus/fr/877114/posts
The Lost Tribes - Will They Return?
http://www.freerepublic.com/focus/f-religion/1273781/posts
Is Japan From The Lost Tribes?
https://jtf.org/forum/index.php?topic=3608.0